def create(self, entity, extras):
"""
Creates a new volume.
"""
context = extras['nova_ctx']
if 'occi.storage.size' not in entity.attributes:
raise AttributeError('size attribute not found!')
new_volume = vol.create_storage(entity.attributes['occi.storage' \
'.size'], context)
vol_id = new_volume['id']
# Work around problem that instance is lazy-loaded...
new_volume = vol.get_storage(vol_id, context)
if new_volume['status'] == 'error':
raise exceptions.HTTPError(500, 'There was an error creating the '
'volume')
entity.attributes['occi.core.id'] = str(vol_id)
if new_volume['status'] == 'available':
entity.attributes['occi.storage.state'] = 'online'
entity.actions = [infrastructure.OFFLINE, infrastructure.BACKUP,
infrastructure.SNAPSHOT, infrastructure.RESIZE]
def retrieve(self, entity, extras):
"""
Gets a representation of the storage volume and presents it ready for
rendering by pyssf.
"""
v_id = entity.attributes['occi.core.id']
volume = vol.get_storage(v_id, extras['nova_ctx'])
entity.attributes['occi.storage.size'] = str(float(volume['size']))
# OS volume states:
# available, creating, deleting, in-use, error, error_deleting
if volume['status'] == 'available' or volume['status'] == 'in-use':
entity.attributes['occi.storage.state'] = 'online'
entity.actions = [infrastructure.OFFLINE, infrastructure.BACKUP,
infrastructure.SNAPSHOT, infrastructure.RESIZE]
else:
entity.attributes['occi.storage.state'] = 'offline'
